NOVEL, SLOW-ACTING BETAMIMETICS, A METHOD FOR THEIR PRODUCTION AND THEIR USE AS MEDICAMENTS AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The present invention relates to compounds of formula - wherein R1 is a group of the formula wherein R3 is optionally methoxy substituted benzyl; R4 is hydrogen; or R3 and R4 together form a bridge of the formula -CO-CH2-O-, wherein the carbonyl of the bridge is attached to an nitrogen atom; R 2 is selected from the group consisting of R 5 is dimethylamino, methoxy or butoxy; X is nitrogen or carbon; R6 is methoxyphenyl when X is N; or an ananylated phenyl group also attached to X when X is carbon and prepared and used. SHE